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Microplastics in canned, salt-dried, and instant sea cucumbers sold for human consumption

Marine Pollution Bulletin 2023 16 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Chenggang Lin Mohamed Mohsen, Mohamed Mohsen, Chenggang Lin Chenggang Lin Chenggang Lin Chenggang Lin Shilin Liu, Mohnad Abdalla, Mohamed Mohsen, Chenggang Lin Hongsheng Yang, Mohamed Mohsen, Mohamed Mohsen, Mohamed Mohsen, Chenggang Lin Chenggang Lin Shilin Liu, Hongsheng Yang, Mohamed Mohsen, Hongsheng Yang, Mohamed Mohsen, Chenggang Lin Chenggang Lin Shilin Liu, Mohamed Mohsen, Mohamed Mohsen, Hongsheng Yang, Hongsheng Yang, Mohamed Mohsen, Chenggang Lin

Summary

Researchers tested canned, instant, and salt-dried sea cucumbers purchased from Chinese markets and found microplastics present in the products, with an average of about 1.4 particles per individual animal. The particles were mostly small fibers, and polypropylene was the dominant polymer type identified. The study estimates that regular consumers of sea cucumber products could be exposed to microplastics through their diet, though the daily intake levels were relatively low.

Polymers

Determining the amount of microplastics (MPs) in food is key to clarifying their potential toxicity to humans. Here, we collected canned, instant, and salt-dried sea cucumbers Apostichopus japonicus, the most valued sea cucumbers, from Chinese markets to determine their content of MPs. Sea cucumbers contained MPs in the range of 0-4 MP individual, an average of 1.44 MP individual, and 0.081 MP g. Accordingly, consuming 3 g of sea cucumbers could result in an exposure risk of an average of 0.51 MPs, 0.135 MPs, and 0.078 MPs day for canned, instant, and salt-dried sea cucumbers, respectively. MPs were in size range of 12-575 μm, and fibrous shape was dominant. Furthermore, among the five polymers identified, polypropylene showed the highest energy binding with two catalysts engaged in organic chemical oxidation. This study extends the knowledge regarding MPs occurrence in food and provides a theoretical basis for MPs toxicity in humans.

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